Disclaimer: It is the Buyers responsibility for designing, validating and testing the end application under all field use cases and

extreme use conditions. Guaranteeing the application meets required standards, regulatory compliance, and all safety and

security requirements is the responsibility of the Buyer. These resources are subject to change without notice.

IF35014.R00

IFN17

InterFET

Product

Folder

Technical

Support

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IFN17 N-Channel JFET

Features

• InterFET N0016SH Geometry

• Low Noise: 5 nV/√Hz Typical

• Japanese 2SK17 Replacement

• RoHS Compliant

• SMT, TH, and Bare Die Package options.

Applications

• Audio Amplifiers

• Small Signal Amplifier

• Ultrahigh Impedance Pre-Amplifier

• Voltage Controlled Resistor

• Current Limiters and Regulators

Description

The -20V InterFET IFN17 is a replacement for the

Japanese 2SK17. Targeted for sensitive amplifier

stages with gate leakages typically less than 10pA

at room temperatures.

Ordering Information Custom Part and Binning Options Available

Part Number

Description

Case

Packaging

IFN17

Through-Hole

TO-92

Bulk

SMP17

Surface Mount

SOT23

Bulk

SMP17TR

7“ Tape and Reel: Max 3,000 Pieces

13” Tape and Reel: Max 9,000 Pieces

SOT23

Minimum 1,000 Pieces

Tape and Reel

IFN17COT

Chip Orientated Tray (COT Waffle Pack)

COT

400/Waffle Pack

IFN17CFT

Chip Face-up Tray (CFT Waffle Pack)

CFT

400/Waffle Pack

1

2

3

Source

Drain

Gate

SOT23 Top View

TO-92 Bottom View

Product Summary

Parameters

IFN17 Min

Unit

BVGSS

Gate to Source Breakdown Voltage

-20

V

IDSS

Drain to Source Saturation Current

0.3

mA

VGS(off)

Gate to Source Cutoff Voltage

-0.5

V

GFS

Forward Transconductance

2.0 Typ

mS

Source

Drain

Gate

1

2

3